from django.conf import settings
from itsdangerous import TimedJSONWebSignatureSerializer as Serializer


def generate_verify_token(user_id):
    serializer = Serializer(settings.SECRET_KEY, 3600 * 24 * 2)
    token = serializer.dumps({"user_id": user_id})
    token = token.decode()
    return token


def check_verify_token(token):
    serializer = Serializer(settings.SECRET_KEY, 3600 * 24 * 2)

    try:

        user_id_dict = serializer.loads(token)
        user_id = user_id_dict.get("user_id")
        return user_id
    except:
        print("签名过期")
        return None



